Static eliminator and stabilizer



May 22, 1934. E. M. DIXON STATIC ELIMINATOR AND STABILIZER Filed March 25, 1951 JNVENTOR.

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HEATERS \ANTENNA Patented May 22, 1934 UNETEE STATES PA ENT J FFEQiE STATIC ELIMINATOR AND STABILIZER Elmer M. Dixon, Detroit, Mich. Application March 23, 1931, Serial No. 524,473

13 Claims.

This invention relates to a static eliminator and stabilizer, and has to do particularly with means adapted to be placed in series lead-in line or lines.

with any receiving The disruption of normal wave reception in radio receiving sets, television,

etc., is well known cumulations. I believe vious attempts have for the most part, been a continuous metallic circuit,

any, consideration has that most of these prefailed because they have, directed along the line of while very little, if

been given to the characteristic peculiarities of static electrical p enomena.

The present invention fact that static electricity inva is based largely on the riably seeks ground by the shortest direction, with an apparent preference toward a point of discharge. 1 have made a peculiar use of this phenomena by first splitting or dividing the antenna or incoming conductor, preferably into many sections, one set of sections being connected to the incoming conductor and another set of continuing sections being spaced and insulated from said incoming sections but so interfitting therewith as to form a compact unit with parallel metal leaves.

An important feature of the present invention may be said to reside in this combination of metal leaves forming a separator, spaced equally and yet leavi lative area that there is the leaves being ng sufficient insuno metallic circuit between the incoming sections and the outgoing or receiving sections. It is my theory that by so breaking the incoming conductor into many sections and interspersing tinuing sectionsforming a unit,

these sections by conthe disturbing elements may be substantially removed by providing an immediate ground sections, the discharge for the first being through convenient set of metal discharge points, and the continuing or receiving sections being so positioned that discharges to ground therefrom are less imminent.

A further feature of this arrangement resides in the forming of ing sections of wider surface the incoming static dischargarea than the outgoing or receiving sections and the provision of heat creating means preferably placed at the bottom of the interfitting se heat generated not only ctions so that the heats the metal plates forming the sections, but also passes freely between them to the center of able bafiie plates are arranged the heat creating means to p the separator. Suitin connection with rovide a uniformly heated circulating system between all of the separator.

In addition to setting up a ground immediately around the interfitting sections forming the separator I also preferably surround the entire unit with a ground screen or the like whereby to protect the receiving apparatus from any stray currents that might be produced or generated in the tube itself or from any other reason.

The main feature here is that the spaced sec- 5 tions of the split antenna or incoming conductor form a separator which tends to separate and conduct all disruptive discharges to ground and which broadly transmits and stabilizes the true radio waves.

Other features reside in the specific arrangement of the parts forming the separator and heating and ground means connected therewith; in the introduction of an intensified directional light which traverses the separator plate area; Z5 in the peculiar manner of winding and positioning the heater coils; in the forming of a partial or substantially complete vacuum surrounding the separator and adjacent elements, and in features of construction and arrangement as will be more clearly brought out in the specification and.

claims. 1

In the drawing:

Fig. 1 is an enlarged view of one of the plates forming a part of the incoming sections and showing particularly the serrations at the edges of the plate and manner of arranging the same.

Fig. 2 is a front elevation of one form of insulating and spacing means and the manner of arranging the same with relation to the plates as shown in Figs. 1 and 3.

Fig. 3 is a front elevation of one of the outgoing or receiving plates.

Fig. 4 is a side and front view respectively of the spacers or insulating means forming two faces of the separator.

Fig. 5 is an elevation of one form of baflie and supporting plate for assisting in the positive circulation of heat units and in supporting the entire unit.

Fig. 6 is an elevation of one form of heater coil adapted to be positioned on opposite sides of the separator and supported by the plate shown in Fi 5.

Fig. '7 and Fig. 12 represent an elevation and end view of a baffle plate adapted to be positioned adjacent the heater coils for deflecting the heat units toward the upper section of the separator.

Fig. 8 is an assembly view, partly cut away, of the separator unit, illustrating particularly the plates the interfitting relation between the incoming and outgoing sections and also showing the encircling ground screen as being partly folded back.

Fig. 9 is a substantially full size assembly view of the complete unit as assembled in its tube, a portion of the outer ground screen, the inner ground screen and bafiie plate being cut away.

Fig. 10 is a plan View, partly in section, taken on line 10-10 of Fig. 9.

Fig. 11 is a diagrammatic view illustrating the preferred form of applying the intensifying directional light and also showing the arrangement of the heater coils, the incoming and outgoing sections and the preferred manner of positively circulating the heat units.

In describing the operation of my static eliminator and stabilizer, it will be understood that the theories advanced are such as are now believed to be correct but that obviously the results obtained may be due to theories and structural arrangement which are not now apparent; for this reason the various parts of my unit will be described as accurately as possible.

In building up my unit I preferably provide a plurality of metal plates 1 each of which is connected by means of a suitable extension 2 to the incoming circuit or antenna 3. Each of these plates 1 is preferably serrated at the edges as at 4, and these serrations preferably are shaped to point generally towards the top of the plate and the top of the unit.

A series of receiving plates 5 are formed as best shown in Fig. 3, and these plates are preferably of less width than the plates 1 and are provided with extensions 6 at the upper endthereof. These receiving plates 5 are positioned in between the plates 1, as best shown in Fig. 8, and are all connected together at the top to a common lead-in wire or receiving conductor 7.

The connected plates 1 and the connected plates 5 are accurately spaced apart and insulated by means of the insulating members 8, 9, and 10, (see Fig. 2). These insulating means are preferably formed of mica having a standard predetermined thickness, but it will be understood thatany convenient means may be utilized for spacing the plates from each other and forming the air gaps therebetween.

The separator, such as illustrated in Fig. 8, may be accurately aligned and positioned by means of suitable glass rods 11 and the plates are also held together and backed between insulating members or spacers 12. Surrounding this separator and forming in general a part thereof is a ground screen 13. This ground screen is preferably spaced from the edges of the plates as best shown in Fig. 10, and is permanently connected to the ground by means of the conductor 14.

In assembling the separator within its tube as best shown in Fig. 9, I preferably make use of baffle plates 15 which are placed on each side of the separator as best shown in Fig. 9, and serve as a support for heater coils 16 and also for bafile plates 17, as will be presently described. These baiile plates 15 also act as a protection for the separator and a channel for eifecting positive heat circulation to the top of the tube where it strikes understood that any suitable the surrounding glass for repetition of its circuit.

The manner of connecting the heater coils 16 and the baifles 17 to the baifie members 15 is well illustrated in Figs. 5, 6, 7, 9, and 10, but it will be means may be utilized for assembling and maintaining these various parts in their desired relationship. In assembling the unit, as shown in Fig. 9, a heater coil 16 is placed on oposite sides of the separator, as best shown in Fig. 10. These heater coils are preferably positioned at the bottom of the separator and in a manner so that the edges of the metal sections are directed towards each coil. These heater coils are wound so that the current passes at right angles to the separator and towards the top. This is roughly illustrated in the diagrammatic sketch shown in Fig. 11. This arrangement was found necessary due to an inductive effect that took place when wound other than as described. These heater coils are preferably adapted to be connected to a regular supply of current either A. C. or D. C. and are preferably so wound and have such dimensions as to produce and maintain a steady heat above the steam point and at low wattage. The temperature maintained by these heater coils may obviously vary considerably in accordance with different types of construction and in general it will be understood that these heater coils in maintaining the steady uniform heat serve the dual purpose of heaters and magnetic blow-outs.

The bafile plates 17 are positioned parallel to the heater coils and are provided with inwardly and upwardly projecting balfle portions 18 whereby to direct the heat from the coils to the upper section of the separator, in this way providing a uniformly heated circulating system between all the plates of the separator. It has been found in actual practice that this positive circulation of heat units is very important in the obtaining of efiicient results.

Surrounding this entire unit, as so far described, is a second ground screen 19 which is connected to the ground wire 14 by means of a suitable connection 20. The purpose of this second encircling ground screen is to protect the receiving apparatus from any stray currents that might be produced or generated in the tube itself or for any other reason. As diagrammatically illustrated in Fig. 11', the upper surface of the separator is left exposed, preferably by providing suitable openings in the outer screen 19 for the introduction of an intensified directional light, the rays of which are generally indicated as at 21. These rays of intensified directional light are designed to traverse completely not less than of the separator plate area.

The lead-in from the normal house current is shown at 22 for supplying the heater coils with the necessary operating current.

In operation it will be understood that the tube as shown in Fig. 9, may be connected into any receiving set, the receiving lead-in being connected to the top of the tube as indicated, the ground wire 14 being connected to the usual ground and the current conducting wires 22 being connected to the standard house current. Since the tube operates at relatively low wattage it is preferably connected as to continuously operate; that is, the heater coils are so connected as to continuously supply the necessary heat units which obviously are circulated to maintain the proper operative effect. Although it is not neces sary, a partial or substantial total vacuum may be maintained within the tube to assist in the discharge eifect between the incoming metal plates 1 and the ground screen. Any static accumulations entering the incoming plates 1 seek the points of discharge of the plates 1 as the most convenient discharging points and are thereby largely discharged to the ground through the inner screen too stantially parallel plates consisting solely of a duced radio frequencies, the gap 13 and outer screen 19. This discharge of static accumulations is materially assisted. by the positively maintained circulation of heat units, such as diagrammatically illustrated by the arrows in Fig. 11. Such discharge is also materially assisted by the application of intensified light rays as also illustrated in Fig. 11. This condition of discharge of static accumulation is also materially assisted and made uniform by the maintaining of the steady heat circulation above the steam point.

While the primary object of the device is to re move static to a more or less degree there seems to be two other beneficial effects obtained, first, the steadying of reception with a corresponding perfection of tone that is not otherwise obtained; and secondly, the fact that it is necessary to obtain a station at its exact Wave length thus automatically eliminating in reference from a station adjacent to it. Other beneficial effects are obtained, the theory or reason for which are hard to explain, but which effects flow from the device as described.

What I claim is:

1. In a device of the character described, the combination of a group of interposed spaced substantially parallel plates consisting solely of a set oi conducting plates all connected to the incoming circuit and a set of plates all connected to the receiving circuit, said two sets of interposed plates being in inductive series with each other whereby to transfer the incoming radio frequencies to the receiving plates, and means connected to ground and so positioned closely adjacent the edges of the conducting plates as to receive disruptive discharges therefrom and separate the same from the induced radio frequencies, the gap between the conducting plates and the receiving plates being less than the gap be= tween the edges of the conducting plates and said means.

2. In a device of the character described, the combination of a group of interposed spaced substantially parallel plates consisting solely of a set of conducting plates all connected to the incoming circuit and a set of plates all connected to the receiving circuit, said two sets of interposed plates being in inductive series with each other whereby to transfer the incoming radio frequencies to the receiving plates, said conducting plates being wider than said receiving plates, and means connected to ground and so positioned closely adjacent the edges of the conducting plates as to receive disruptive discharges therefrom and separate the same from the inbetween the conducting plates and the receiving plates being less than the gap between the edges of the conducting plates and said means.

3. In a device of the character described, the combination of a group of interposed spaced subset of conducting plates all connected to the incoming circuit and a set of plates all connected to the receiving circuit, said two sets of interposed plates being in inductive series with each other whereby to transfer the incoming radio frequencies to the receiving plates, and means outside of and at least partially encircling said group of interposed plates and so positioned closely adjacent the edges of the conducting plates as to receive disruptive discharges therefrom and separate the same from the induced radio frequencies, the gap between the conducting plates and the receiving plates being less than the gap between the edges of the conducting plates and said means.

4. In a device of the class described, a group of interposed spaced parallel plates consisting of a plurality of serrated edged conducting plates all connected to the incoming circuit and a plurality of plates all connected to the receiving circuit, said two sets of interposed plates being in inductive series with each other whereby to transfer the incoming radio frequencies to the receiving plates, and grounded means positioned outside of but surrounding said group of plates and positioned closely adjacent the serrated edges of the conducting plates for conducting disruptive discharges from said conducting plates through the serrated edges to ground.

5. In a device or" the class described, a group of interposed spaced parallel plates consisting of a plurality of serrated edged conducting plates all connected to the incoming circuit and a plurality of plates all connected to the receiving circuit, said two sets of interposed plates being in inductive series with each other whereby to transfer the incoming radio frequencies to the receiving plates, and grounded means positioned outside of but surrounding said group of plates and positioned closely adjacent the serrated edges of the conducting plates for conducting disruptive discharges from said conducting plates through the serrated edges to ground, said serrated conducting plates being wider than the receiving plates and the space between said serrated edges and the ground means being greater than the space between the adjacent plates of said sets of plates.

6. In a device of the class described, a plurality of plates connected to the incoming circuit and having serrated edges, a second set of plates positioned in between and insulated from said first set of plates, means connecting said second set 115 of plates to the receiving circuit, grounded means surrounding said sets of plates, and heat creating means positioned adjacent said interfitting set of plates.

7. In a device of the class described, a plurality of plates connected to the incoming circuit and having serrated edges, a second set of plates positioned in between and insulated from said first set of plates, means connecting said second set of plates to the receiving circuit, grounded means at least partially surrounding said first set of plates, heat creating means positioned adjacent said interfitting set of plates, and means arranged to cause positive circulation of heat units in between and around said plates.

8. In a device of the class described, a plurality of plates connected to the incoming circuit and having serrated edges, a second set of plates positioned in between and insulated from said first set of plates, means connecting said second set of plates to the receiving circuit. grounded means at least partially surrounding said first set of plates, and one or more heater coil positioned adjacent the lower portion of said interfitting plates.

9. In a device of the class described, a plurality of plates connected to the incoming circuit and having serrated edges, a second set of plates positioned in between and insulated from said first set of plates, means connecting said second set Ltd of plates to the receiving circuit, grounded means at least partially surrounding said first set oi plates, and one or more heater coils positioned adjacent the lower portion of said interfitting plates, said coil or coils being wound so that the heating &

current passes at right angles to said interfitting plates.

10. In a device of the class described, a plurality of plates connected to the incoming circuit and having serrated edges, a second set of plates positioned in between and insulated from said first set of plates, means connecting said second set of plates to the receiving circuit, grounded means at least partially surrounding said first set of plates, one or more heater coils positioned adjacent the lower portion of said interfitting plates, said coil or coils being wound so that the heating current passes at right angles to said interfitting plates, and toward the top, and a second grounded means encircling the entire unit.

1. In a device of the class described, a plurality of plates connected to the incoming circuit and having serrated edges, a second set of plates positioned in between and insulated from said first set of plates, means connecting said second set of plates to the receiving circuit, grounded means at least partially surrounding said first set of plates, and one or more heater coils positioned adjacent the lower portion of said interfitting plates, said coil or coils being wound and proportioned to produce a steady heat above the steam point at low wattage.

12. The mehod of reducing the discharge of static electrical accumulations in radio receiving circuits of the type having an incoming conductor divided into spaced interfitting sections having a relatively large surface area and a grounded conductor spaced therefrom, which consists in maintaining a uniform supply of heat units, positively circulating said heat units around and between the spaced sections, and conducting disruptive discharges entering the incoming divided sections to the grounded conductor.

13. The method of reducing the discharge of static electrical accumulations in radio receiving circuits of the type having an incoming conductor divided into spaced interfitting sections having a relatively large surface area and a grounded conductor spaced therefrom, all positioned in a partial vacuum, which consists in maintaining a uniform supply of heat units, applying localized light rays to a portion of said interfitting sections, positively circulating said heat units around and between the spaced sections, and conducting disruptive discharges entering the incoming divided sections to the grounded conductor.

ELMER M. DIXON. 

